British boxer Amir Khan's bout against American Danny Garcia is expected to start at approximately 04:00 BST today.
The light-welterweight unification fight will take place in Las Vegas.
More top news
European Union leaders are attending a special summit later to formally agree their Brexit negotiating strategy.
Most places across the UK will stay dry all day, with sunny spells, particularly in the south.
The Royal Marine jailed for killing an injured Taliban fighter in Afghanistan has spoken for the first time since being released from jail.